120153899 has 2 divisors, whose sum is σ = 120153900. Its totient is φ = 120153898.

The previous prime is 120153889. The next prime is 120153919. The reversal of 120153899 is 998351021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120153899 - 2¹⁶ = 120088363 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (120153889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60076949 + 60076950.

It is an arithmetic number, because the mean of its divisors is an integer number (60076950).

Almost surely, 2^120153899 is an apocalyptic number.

120153899 is a deficient number, since it is larger than the sum of its proper divisors (1).

120153899 is an equidigital number, since it uses as much as digits as its factorization.

120153899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 120153899 is about 10961.4733954884. The cubic root of 120153899 is about 493.4531845505.

The spelling of 120153899 in words is "one hundred twenty million, one hundred fifty-three thousand, eight hundred ninety-nine".